PPC: [turbofan] Turn Math.clz32 into an inlinable builtin.

src/compiler/ppc/instruction-codes-ppc.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_PPC_INSTRUCTION_CODES_PPC_H_
 #define V8_COMPILER_PPC_INSTRUCTION_CODES_PPC_H_
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 51 matching lines @@
   V(PPC_Neg32)                     \
   V(PPC_Neg64)                     \
   V(PPC_NegFloat64)                \
   V(PPC_SqrtFloat64)               \
   V(PPC_FloorFloat64)              \
   V(PPC_CeilFloat64)               \
   V(PPC_TruncateFloat64)           \
   V(PPC_RoundFloat64)              \
   V(PPC_MaxFloat64)                \
   V(PPC_MinFloat64)                \
+  V(PPC_Cntlz32)                   \
   V(PPC_Cmp32)                     \
   V(PPC_Cmp64)                     \
   V(PPC_CmpFloat64)                \
   V(PPC_Tst32)                     \
   V(PPC_Tst64)                     \
   V(PPC_Push)                      \
   V(PPC_ExtendSignWord8)           \
   V(PPC_ExtendSignWord16)          \
   V(PPC_ExtendSignWord32)          \
   V(PPC_Uint32ToUint64)            \
@@ skipping 41 matching lines @@
 // MRR = [register + register]
 #define TARGET_ADDRESSING_MODE_LIST(V) \
   V(MRI) /* [%r0 + K] */               \
   V(MRR) /* [%r0 + %r1] */
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_PPC_INSTRUCTION_CODES_PPC_H_